19022740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{86467}}^1$

素因数の和:86487

約数の個数: 24

約数和(自身を含む): 43579872

約数和(自身を除く): 24557132

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 86467, 172934, 345868, 432335, 864670, 951137, 1729340, 1902274, 3804548, 4755685, 9511370, 19022740]

約数ペア:

[(1, 19022740), (2, 9511370), (4, 4755685), (5, 3804548), (10, 1902274), (11, 1729340), (20, 951137), (22, 864670), (44, 432335), (55, 345868), (110, 172934), (220, 86467)]